X-ray diffraction shows that some degree of three-dimensional organization of actin exists in a molluscan smooth muscle. From X-ray patterns from this muscle and the toad sartorius, both in the living ...

- Muscle cells, also known as myocytes, are specialized cells designed for contraction and force production. Skeletal Muscle Cells: These cells are long, cylindrical, and have a striated (or striped) ...

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.